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	- Project: Colorful Fading
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-05-01 10:39:48

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* chipset WS2812B RGB  Number of LED 20  Output D5 */
	/* fade in and out from 0 to 255 while keeping color */
	/* set fade out value at 255  use all colors randomly */
	/* for each led and */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include  // https://github.com/FastLED/FastLED

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void); // Added function prototype for updateOutputs

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t WS2812B_LEDRGB_PIN_D5 = 5; // Define output pin for WS2812B LEDs

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool WS2812B_LEDRGB_PIN_D5_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float WS2812B_LEDRGB_PIN_D5_phyData = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
CRGB leds[20]; // Define CRGB array for 20 LEDs

void setup(void)
{
    // put your setup code here, to run once:

    pinMode(WS2812B_LEDRGB_PIN_D5, OUTPUT);

    // Initialize FastLED library object
    FastLED.addLeds(leds, 20);
}

void loop(void)
{
    // put your main code here, to run repeatedly:

    updateOutputs(); // Refresh output data
}

void updateOutputs()
{
    // Generate random color values for each LED
    for (int i = 0; i < 20; i++)
    {
        leds[i] = CHSV(random8(), 255, 255); // Random hue, full saturation and value
    }

    // Fade in and out effect
    for (int brightness = 0; brightness <= 255; brightness++)
    {
        for (int i = 0; i < 20; i++)
        {
            leds[i].fadeToBlackBy(255 - brightness); // Fade out
            leds[i].fadeToBlackBy(brightness);        // Fade in
        }
        FastLED.show();
        delay(50);
    }
}

/* END CODE */